Force-pump.



J. NEISWANGER.

. FORCE PUMP.

APPLICATION FILED SEPT. 2, 1914.

- 1,170,177. Patented Feb. 1, 1916.

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JESSE NEISWANGER, OF CLARKSBUBG, WEST VIRGINIA.

"Poison-ruler.

Specification of Letters Patent.

Patented Feb. 1,1916.

Application filed September 2, 1914. Serial No. 859,744.

To all whom it may concern:

Be it known that I, J nssn -NEISWANGER, a citizen of the United States, residing at Glarksburg. in the county of Harrison and State of WVest Virginia, have invented certain new and useful Improvements in Force Pumps, of which the following is a full specification.

My invention comprehends certain new and useful improvements in pumps for lifting and forcing water or other liquids against excessive high pressure.

The present described pump and improvements relate particularly to boiler feed pumps, which take their water from tanks or wells and force said water into boilers, against the steam pressure, by the operation of the pump plunger, which is preferably connected to the engine crosshead. and 0perated by the reciprocal motion thereof. It is understood, however, that this pump may be independently driven by other means if desirable.

The main object of myinvention is the production of a simple, practical force pump, constructed of steel or other suitable combination of materials; of specially designed parts coacting with the plunger for sucking water or other liquids into said pump and forcing the same against pressure; having joints and other parts so constructed that they will not yield even to high pressure.

Another object is to generally improvethis class of pumps, rendering them more useful, durable, and commercially desirable.

With these and other objects in view, it will be observed that my invention consists of certain novel construction and arrange ment of the pump valve chamber and other parts, as hereinafter fully described, .illus-. trated and claimed, it being understood that several changes may be made in the construction of my invention without departing from the spirit and intent thereof.

I attain these objects by means of certain construction illustrated in the accompanying drawings, in which I Figure 1 represents a longitudinal section of the entire pump, fully illustrating the internal construction of the several parts; Fig. 2 is a perspective endelevation, showing the manner in which the suction chamber, valve chamber, and air chamber'are securely bound together; Fig. 3 is a vertical section of the valve cage; Fig. 4 is a perspective view of the ball valve; Fig. 5 represents a vertical section of the reversible valve seat Fig. 6 is a plan View of thevalve cage, viewed from the top; F 1g. 7 represents the plan view of the joint packing; Fig. 8 is a plan view of the'lower end or'face of the air chamber; Fig. 9 represents the plan view of the upper end or face of the, valve chamber.

Referring to the drawings, similar letters refer to similar parts throughout the several views.

A designates the pump barrel which may be a casting or constructed of heavy tubing and connected to the valve chamber by means of screw threads, as indicated in Fig. 1.

A designates the pump plunger, constructed with a center core and packed throughout with composition packing, having leather cuppacking at each end.

B designates the valve chamber, ofspecial endconstruction; the upper end of said valve chamber having a recessed flange portion, d, having an inner and an outer ring d and d spaced apart and extending upward an equal distance; the recessed portion being designed to receive the packing J flange e or the valve cage, and ring f of the air chamber; said upper end also being adapted to receive the valve seat member a, having an outer flange a, all of which closely conforms to said inner portion and rests upon the inner ring d. The lowerend of said valve chamber B is constructed with an inward extending flange, on the face of which is provided a downward extending ring dd in the center thereof.

-D designates the pump plunger rod, of

suitable length andhaving an outer end construction suitable for the desired connections to be made thereto.

E designates the lower cap or suction valve chamber, having an inwardly extending flange ca, recessed portion d upon the upper F designates the air chamber of said pump,

having a lower flange f, the diameter of which is equal tothe diameter-of the valve chamber 13. Upon the lower surface of said flange, in the center thereof, is provided a ring portion), extending downwardto a depth equalto the depth of the recessed portion d of the upper end of the valve chamber B, and the outer diameter of the ring portion 7 is equal to the outer diameter of the recessed portion cl.

It will be observed that the face of the flange f, on the air chamber F, is of precisely the same design, shape and measure ments as the face formation of the lower end of the valve chamber B. It will also be ob served that the upper face formation, shape and measurements of suction valve chamber E are precisely the same formation and measurements as are the upper end of the valve chamber B. In the valve construction, a designates the detachable and reversible valve seat H161'I1b81yPIOVlCl6d with an outer central ring flange a, each end of the inner part of said valve seat member having a concave seat form an, adapted to closely seat and lit a ball valve. Should one concave seat become damaged, the member can be reversed. Plain ball valves 7) are adapted to fit and rest upon the concave seat portions of the valve seat members a.

C designates an open valve cage, adapted to loosely cover the ball valve and being provided with a lower flat flange seat 6, and an inner upper seat 6.

It is understood and observed that the three parts, namely, valve seat member a, ball valve 5, and valve cage C, constituting the upper pump valve, are perfectly duplicated for the lower pump valve.

Referring to Fig. 1, it will be observed that, in the application of my improvements, I require only two packed joints, they being packed by means of the flat thin packing ring J, which is inserted into the bottom of the recessed portion cl, as shown at. the upper end of the valve chamber B, and at the upper end of the suction chamber E. After placing the packing rings, I insert the valve seat member in the upper center opening of the valve chamber, and the similar opening in the suction chamber. Upon these seat members are placed the ball valves, over and around which are placed the valve cages; the inner seat 6 of said valve cage tightly resting upon the ring flange a, of the valve seat member a, and the lower flange seat 6 tightly resting upon the packing J, at the bottom of the recessed portion (Z. I then cover or inclose the upper pump valve parts by means of the air chamber F, the projecting ring portion f eXtending downward and resting tightly upon the packing J, the inner seat or shoulder 7" resting tightly upon the upper portion of the valve cage flange c. It is further observed that the points of contact and the making of the pump joint between the air chamber F, and the valve parts in the upper end of valve chamber B, and the lower joint and valve parts in the suctionchamber E are precisely the same as above described.

Referring to Fig. 2, it will be readily observed that all of the numerous parts constituting the valves, the valve chamber, air chamber, and suction chamber are securely and rigidly bound together, and absolutely confined to their respective places by means of two hinge bolts 9, which are pivotally connected to the air chamber hinge lugs h, the bolt nuts being tightly screwed against the lower surface of the slotted lugs z, 011 each side of the suction chamber E.

G designates the suction pipe connection to said pump.

H designates the discharge pipe connection.

I designates the air cock as applied to the air chamber.

Having fully described my invention, what I claim as new and desire to secure by Letters Patent is:

1. In a pump of the chancter described, the combination with a chamber constructed with an end wall having a. central opening and a channel in its outer surface surrounding said opening, of a valve. seat fitting said opening and having a flange which rests against the outer edge thereof, a valve cage over said valve seat having a flange which rests in said channel and a shoulder which engages the flange on the valve seat, and a chamber in communication with said first named chamber through said valve seat and having a rib which rests in said channel and a shoulder which engages the flange on the valve cage and means for clamping said chambers together as shown and described.

2. In a pump of the character described the combination with a pulsation chamber of a discharge chamber secured to the outlet end of the pulsation chamber, a suction chamber attached to the inlet end of the pulsation chamber, and the engaging end of the suction chamber being constructed with a wall provided with a central opening and a channel in its outer surface surrounding said opening, a valve seat fitting said opening and havinga flange which rests against the outer edge thereof, a valve cage over each valve seat having a flange which rests in said channel and a shoulder which engages the flange on the valve seat, the engaging end of the discharge chamber and the inlet end of the pulsation chamber havmg each a rib which rests in said channel and a shoulder which engages the flange on.

the valve cage, and clamping devices connecting the said discharge chamber and suction chamber substantially as shown and for the purposes specified.

JESSE NEISWVANGER. lVitnesses G. I. DUTHIE, Louis A. JOHNSON.

.opies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents,

i Washington, D. C." 

